Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*ougros
→
Welsh
oer
(inherited)
→
Irish
fuar
(inherited)
→
Scottish Gaelic
fuar
(inherited)
→
Manx
feayr
(inherited)
→
Old Irish
úar
(inherited)